Transaction Management Policy in Distributed Real Time System
Bandaru Vishnu Roopini1, Akkireddy Lakshmi Harika2, Kurra Manasa Devi3, Jaladi Raja Sree4
1B.Vishnu Roopini, Electronics and Computer Engineering, Guntur Dt, Andhra Pradesh, India.
2A.L.Harika, Electronics and Computer Engineering, Guntur Dt, Andhra Pradesh, India.
3K.Manasa Devi, Computer Science Engineering, Guntur Dt, Andhra Pradesh, India.
4J.Rajasri, Computer Science Engineering, Guntur Dt, Andhra Pradesh, India.
Manuscript received on April 02, 2013. | Revised Manuscript received on April 28, 2013. | Manuscript published on May 05, 2013. | PP: 340-343 | Volume-3, Issue-2, May 2013. | Retrieval Number: B1541053213/2013©BEIESP
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© The Authors. Published By: Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)
Abstract: Managing the transactions in real time distributed computing system is not easy, as it has heterogeneously networked computers to solve a single problem. If a transaction runs across some different sites, it may commit at some sites and may failure at another site, leading to an inconsistent transaction. The complexity is increase in real time applications by placing deadlines on the response time of the database system and transactions processing. Such a system needs to process transactions before these deadlines expired. A series of simulation study have been performed to analyze the performance under different transaction management under conditions such as different workloads, distribution methods, execution mode-distribution and parallel etc. The scheduling of data accesses are done in order to meet their deadlines and to minimize the number of transactions that missed deadlines. A new concept is introduced to manage the transactions in database size for originating site and remote site rather than database size computing parameters. With this approach, the system gives a significant improvement in performance.
Keywords: Digital Circuits, Real time system, transaction management, missed deadlines, database size.